Tones the oblique muscles (the waist)
? Stand up straight, with your legs hip-width apart.
? Contract your abdominal muscles to engage your core, and hold your baby (or a 10-pound medicine ball) slightly out in front of your chest, with your elbows bent at a 45-degree angle. Be sure to keep your shoulders down and relaxed.
? Swivel at your waist to the left. Hold this position for 3 seconds.
?Swivel back to your center.
? Swivel to your right, holding the position for 3 seconds. Then come back to the center.
? Do 2 to 3 sets of 5 to 10 repetitions.